Using a positive rake insert will help a lot, I do not know what the Iscaar thread tool looks like.
What kind of approach are you taking? A simple 90 degree plunge is not a good method, because of the excessive chip width, especailly when your SFM is low.
Brushing on a good threadcutting oil might also help improve things a bit.
I suppose you are right out of room to increase the start distance in front of the thread, so that you could run faster and not get the error?
__________________
First you get good, then you get fast. Then grouchiness sets in.
(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |